21093668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13487}}^1$

素因数の和:13531

約数の個数: 24

約数和(自身を含む): 40787712

約数和(自身を除く): 19694044

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13487, 26974, 53948, 229279, 310201, 458558, 620402, 917116, 1240804, 5273417, 10546834, 21093668]

約数ペア:

[(1, 21093668), (2, 10546834), (4, 5273417), (17, 1240804), (23, 917116), (34, 620402), (46, 458558), (68, 310201), (92, 229279), (391, 53948), (782, 26974), (1564, 13487)]